was foreign, domestic, whether they had links to al qaeda or it was a terrorist attack, all the questions that come in the wake of something like this, i can probably confidently say that that is one that is not in the top five guesses, brothers from chechnya. if they take suspect number two into custody, they will be asking him for reasons, motives, have they been in the united states, reports now saying they were in the united states for one to two years. they may have come here specifically to carry out these attacks. that is the kind of questions they will want to ask, and the investigation will go off in that direction if and when suspect two is taken into custody, hopefully alive so we can get some real answers behind his motive. , suspectem is dead number one with the black hat in the photos.